Atomic Symbol 57 (& Cool facts: Uses, Sources, Color and more...) 2022

Every atom has a symbol and some are easy to figure out. Especially if you already know its name.

But what do you do when you only know its atomic number? Like... what is the atom symbol whose atomic number is 57?

The answer is Lanthanum (La). However there are a lot of interesting facts about Lanthanum that people don't know. Let me show you:

Lanthanum Overview

Atomic Symbol

La (Lanthanum)

Description

Soft, silvery-white, malleable, ductile metal.

Sources

Found with rare earths in monazite and bastnasite. Monazite sand typicall contains 25% lanthanum.

State at 20 °C

Solid

Uses

It is used in the electodes of high-intensity, carbon-arc lights. Also used in the production of high-grade europium metal. Because it gives glass refractive properties, it is used in expensive camera lenses.

Name Origin

Greek: lanthanein (to be hidden).

Discovery

Discovered By: Carl Mosander

Year: 1839

Location: Sweden

Atomic Number

57

Learn more about the atomic number.

Atomic Mass

138,9055

Learn more about the atomic mass.

Want to learn more details and data? Check my Elements Comprehensive List.

Colored Periodic Table

Need an editable periodic table to edit? Maybe add your school logo, work team or anything else to maker your paper look cool?

Along with basic atom / element information (like Lanthanum-La and all the other atom symbols / data), it also comes with color coded info about: State (Gas, Liquid or Solid at room temperature), Groups/series details and much more...

How about an incentive to share this post? (You will help other colleagues find this blog)

Download and enjoy this complete and colored periodic table for you to edit and enjoy. It's in an editable excel format or .ods (open).
[lock][Download excel ##download##]
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